Notes: Not all of the UCM phones support Agent Greeting feature. Refer to Agent Greeting document for the list of supported BIB phones for Agent Greeting feature

Recommended Action

1. Choose correct/supported device to use for the Agent Greeting feature.

2. Enable BIB for device that supports BIB.
In Unified CM Admin configuration, select Device > Phone, then select the agent phone. In the Device Information configuration, set the Built In Bridge to "On".